* Noun: A request for a decision to be reversed. *Example: "The lawyer filed an appeal against the court's ruling."*
* Verb: To make a serious or formal request. *Example: "The company appealed to the public for donations."*
* Adjective: Causing interest or attraction. *Example: "The museum has an appealing collection of modern art."*
To figure out which part of speech it is in a specific sentence, look at how it's used and what it's doing in the sentence.